Finding the Fourth Proportional to 13,808,273.04, 19,057,662.54 and 8,307,208.08
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Solution
The fourth proportional to 13,808,273.04, 19,057,662.54 and 8,307,208.08 is: 11,465,298.22
Step by Step Solution
- Step 1: Write the proportion equation
13,808,273.04 : 19,057,662.54 = 8,307,208.08 : x - Step 2: Convert to fraction form
13,808,273.04/19,057,662.54 = 8,307,208.08/x - Step 3: Cross multiply
13,808,273.04x = 19,057,662.54 × 8,307,208.08 - Step 4: Simplify right side
13,808,273.04x = 158,315,968,238,201.31 - Step 5: Solve for x
x = 158,315,968,238,201.31/13,808,273.04 - Step 6: Final answer
x = 11,465,298.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.